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12444502234 = 26222251117
BaseRepresentation
bin10111001011100000…
…00000100011011010
31012010021112012210011
423211300000203122
5200441243032414
65414504512134
7620246344423
oct134560004332
935107465704
1012444502234
11530666279a
1224b377b64a
131234287cb8
14860a8864a
154cc7c4dc4
hex2e5c008da

12444502234 has 4 divisors (see below), whose sum is σ = 18666753354. Its totient is φ = 6222251116.

The previous prime is 12444502207. The next prime is 12444502249. The reversal of 12444502234 is 43220544421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6806745009 + 5637757225 = 82503^2 + 75085^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12444502196 and 12444502205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3111125557 + ... + 3111125560.

Almost surely, 212444502234 is an apocalyptic number.

12444502234 is a deficient number, since it is larger than the sum of its proper divisors (6222251120).

12444502234 is an equidigital number, since it uses as much as digits as its factorization.

12444502234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222251119.

The product of its (nonzero) digits is 30720, while the sum is 31.

The spelling of 12444502234 in words is "twelve billion, four hundred forty-four million, five hundred two thousand, two hundred thirty-four".

Divisors: 1 2 6222251117 12444502234